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51 lines
1.4 KiB
51 lines
1.4 KiB
var arrayMap = require('./_arrayMap'),
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baseIndexOf = require('./_baseIndexOf'),
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baseIndexOfWith = require('./_baseIndexOfWith'),
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baseUnary = require('./_baseUnary'),
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copyArray = require('./_copyArray');
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/** Used for built-in method references. */
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var arrayProto = Array.prototype;
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/** Built-in value references. */
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var splice = arrayProto.splice;
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/**
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* The base implementation of `_.pullAllBy` without support for iteratee
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* shorthands.
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*
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* @private
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* @param {Array} array The array to modify.
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* @param {Array} values The values to remove.
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* @param {Function} [iteratee] The iteratee invoked per element.
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* @param {Function} [comparator] The comparator invoked per element.
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* @returns {Array} Returns `array`.
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*/
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function basePullAll(array, values, iteratee, comparator) {
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var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
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index = -1,
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length = values.length,
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seen = array;
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if (array === values) {
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values = copyArray(values);
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}
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if (iteratee) {
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seen = arrayMap(array, baseUnary(iteratee));
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}
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while (++index < length) {
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var fromIndex = 0,
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value = values[index],
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computed = iteratee ? iteratee(value) : value;
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while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
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if (seen !== array) {
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splice.call(seen, fromIndex, 1);
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}
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splice.call(array, fromIndex, 1);
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}
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}
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return array;
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}
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module.exports = basePullAll;
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